Peterbilt 357/378 Exhaust Kits
Make upgrading your exhaust a breeze with Peterbilt 378 aftermarket exhaust kits. Shop for custom, chrome, and aftermarket exhaust kits, designed to fit your Peterbilt. We have exhaust kits and parts that will fit your big rig and budget.
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On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $4,021.19Was: $4,467.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Bull Hauler Turnout Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (2) Cab...Now: $4,021.19Was: $4,467.99 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,514.49Was: $3,904.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Bull Hauler Turnout Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust...Now: $3,514.49Was: $3,904.99 -
On Sale
BESTfit 8-5 X 108 Inch Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,383.09Was: $3,758.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Miter Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets -...Now: $3,383.09Was: $3,758.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,977.99Was: $4,419.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Bull Hauler Turnout Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust...Now: $3,977.99Was: $4,419.99 -
On Sale
BESTfit 8 X 108 Inch Flat Top Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,889.79Was: $4,321.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Flat Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (2) Cab Brackets -...Now: $3,889.79Was: $4,321.99 -
On Sale
BESTfit 8 X 108 Inch Flat Top Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,842.09Was: $4,268.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Flat Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets -...Now: $3,842.09Was: $4,268.99 -
On Sale
BESTfit 8-5 X 108 Inch Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,383.09Was: $3,758.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Flat Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets ...Now: $3,383.09Was: $3,758.99 -
On Sale
BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,922.19Was: $4,357.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...Now: $3,922.19Was: $4,357.99 -
On Sale
BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,922.19Was: $4,357.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...Now: $3,922.19Was: $4,357.99 -
On Sale
BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,549.59Was: $3,943.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...Now: $3,549.59Was: $3,943.99 -
On Sale
BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,549.59Was: $3,943.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...Now: $3,549.59Was: $3,943.99 -
On Sale
BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,518.99Was: $3,909.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D. Bottom - (1) Y Pipe...Now: $3,518.99Was: $3,909.99